India, May 4 -- Dear Shri Arvind Kejriwal Ji,

I do not usually write letters-open or private-to those out of power. Why waste time on people who can do nothing to alleviate the sufferings of the common citizen? I am making an exception in your case because you often claim, to use a Shakespearean phrase, that you are more sinned against than sinning.

The reason I write this now is that you once tried to show the Congress Party in a poor light by claiming its leaders have few qualms about leaving and joining the BJP. You asserted that, in contrast, all your party leaders are dyed-in-the-wool Aam Aadmi who would never leave the organisation for pelf or power.

You forget that Mamata Banerjee, for whom you campaigned in West Bengal, was he...